Overview
Designed for minimalist modern architecture, flush concealed portals, and luxury interior woodwork, the 3D Adjustable Concealed Invisible Door Hinge delivers seamless, completely hidden operation with a wide 130-degree opening angle. Engineered specifically for narrow frame profiles and flush interior wooden doors (thickness ≥40mm / 1-9/16"), this heavy-duty hinge eliminates the need for edge-slotting on the door width, preserving the aesthetic purity of hidden rooms, frameless doorways, and high-end cabinetry. Featuring precision 3-dimensional adjustability (height, depth, and lateral alignment), it allows installers and contractors to achieve perfect hairline reveals and fluid swing dynamics without removing the door leaf.

Key Features

• Completely Invisible Concealed Mounting: Hinge body recesses entirely into the door and jamb, remaining 100% invisible when the door is closed for sleek, flush-to-wall architectural designs.
• Full 3D Precision Alignment: Independent 3-axis adjustment mechanisms—vertical height (±3mm), depth/in-out (±3mm), and lateral gap fine-tuning—enable effortless post-installation calibration without dismounting.
• Wide 130° Opening Angle: Specially engineered pivot link provides a generous 130-degree swing clearance, ideal for narrow hallways, corner openings, and pocket-adjacent doorways.
• Narrow Bezel & Edge-Preserving Installation: Optimized compact mortise footprint eliminates the requirement for side-edge grooving, safeguarding narrow-frame profiles and door core integrity.
• Reversible Non-Handed Design: Universal symmetrical construction accommodates both left-hand and right-hand swing configurations, simplifying inventory and job-site fitting.
• High Load Capacity: Rated for 25 kg (55 lbs) per individual hinge; pairs support doors up to 50 kg (110 lbs) and triple installations support up to 65 kg (143 lbs).
• Snap-On Decorative Covers: Supplied with matching snap-on faceplate covers to cleanly conceal all internal adjustment screws and mounting hardware.

Technical Specifications

• Product Type: 3D Adjustable Concealed / Invisible Door Hinge
• Opening Angle: Up to 130°
• Adjustment Range: Height ±3 mm (vertical), Depth ±3 mm (front/back), Gap ±1 mm (horizontal)
• Load Rating: 25 kg (55 lbs) per hinge | 2 hinges: 50 kg (110 lbs) | 3 hinges: 65 kg (143 lbs)
• Applicable Door Thickness: ≥ 40 mm (1.57 in / 1-9/16 in)
• Max Door Dimensions: Height ≤ 2700 mm (106 in) | Width ≤ 900 mm (35.4 in)
• Hinge Mortise Dimensions: 133 mm L x 30 mm W x 38 mm D (Body 142 mm overall)
• Net Weight: Approx. 268.6 g per piece
• Available Finishes: Matte Black, Architectural Grey
• Included Hardware: Complete mounting set with M3 x 23mm stainless mounting screws and adjustment spacers

Wholesale & OEM Capabilities
Ningbo Dimon Metal Products Co., Ltd. is an established architectural hardware manufacturer supplying door fabricators, hospitality developers, and wholesale distributors worldwide:

• OEM Custom Finishes: Available in matte black, satin grey, brushed stainless steel, satin nickel, champagne gold, or custom architectural powder coatings.
• Custom Specifications: Customized load capacities, larger opening angles, and fire-rated variants available upon technical review.
• Export Packaging: Individual blister pack or polybagged with all fasteners and decorative covers, packaged into export master cartons with barcode labeling.
• Global Distribution: Direct factory pricing with dependable bulk lead times and export logistics from Ningbo Port (FOB / CIF / DDP).